补全对话。

Daming:

Sam: Thank you, Daming.

Daming:

Sam: What is it?

Daming: about (关于) Chinese words(字).

Sam: Wow! What's this? Is it a bird?

Daming:

Sam: What's that?

Daming: Guess.

Sam: Is it a dog?

Daming: It's a cat.
 

A. No, it isn't. B. Yes, it is. C. Happy birthday, Sam. D. Here's your present. E. It's a book.